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Total 372 results found since Jan 2013.

Understanding Risk Factors and Predictors for Stroke Subtypes in the ENDURANCE Trials
We report a comprehensive analysis of stroke subtypes in the ENDURANCE (DT) and ENDURANCE Supplemental (DT2) trials.
Source: The Journal of Heart and Lung Transplantation - January 27, 2020 Category: Transplant Surgery Authors: Sung-Min Cho, Randall C. Starling, Jeffrey Teuteberg, Joseph Rogers, Francis Pagani, Palak Shah, Ken Uchino, Nicholas Hiivala Tags: Original Clinical Science Source Type: research

This is Your Brain on LVAD
The utilization and duration of left ventricular assist device (LVAD) support has increased steadily over the last decade and recent changes in the UNOS heart allocation system, implemented in October 2018, portend a further increase in the duration of mechanical circulatory support for many patients (1). Though four-year survival rates have improved to 60% following LVAD implantation, the leading cause of death in these patients is neurological injury, specifically ischemic and hemorrhagic stroke (spontaneous subarachnoid hemorrhage or intraparenchymal hemorrhage [IPH]) (2).
Source: The Journal of Heart and Lung Transplantation - January 24, 2020 Category: Transplant Surgery Authors: Jennifer A. Frontera Tags: Editorial Source Type: research

Predicting major neurologic improvement and long-term outcome after thrombolysis using artificial neural networks
To develop artificial neural network (ANN)-based functional outcome prediction models for patients with acute ischemic stroke (AIS) receiving intravenous thrombolysis based on immediate pretreatment parameters.
Source: Journal of the Neurological Sciences - January 4, 2020 Category: Neurology Authors: Chen-Chih Chung, Chien-Tai Hong, Yao-Hsien Huang, Emily Chia-Yu Su, Lung Chan, Chaur-Jong Hu, Hung-Wen Chiu Source Type: research

Prophylactic supplementation of 20-HETE ameliorates hypoxia/reoxygenation injury in pulmonary vascular endothelial cells by inhibiting apoptosis.
Abstract Hypoxia reoxygenation (HR) injury perturbs structural and functional syncytium in lung tissues. It is commonly implicated in conditions such as stroke, lung transplant or severe pneumonia. In the present study, we investigated the cytoprotective action of 20-hydroxyeicosatetraenoic acid (20-HETE) on pulmonary vascular endothelial cells (PMVECs) under normoxic and hypoxic niche followed by HR. 20-HETE pretreatment showed a protective effect at a concentration of 1μM as there was a marked increase (20%) in the cell viability compared to control and HR groups. Pretreatment of 20-HETE in HR induced injury de...
Source: Acta Histochemica - November 5, 2019 Category: Biochemistry Authors: Sugumaran P, Narayanan V, Zhu D, Medhora M, Jacobs ER, Chandramohan Y, Selvaraj V, Dhanasekaran A Tags: Acta Histochem Source Type: research

12 Innovations That Will Change Health Care and Medicine in the 2020s
Pocket-size ultrasound devices that cost 50 times less than the machines in hospitals (and connect to your phone). Virtual reality that speeds healing in rehab. Artificial intelligence that’s better than medical experts at spotting lung tumors. These are just some of the innovations now transforming medicine at a remarkable pace. No one can predict the future, but it can at least be glimpsed in the dozen inventions and concepts below. Like the people behind them, they stand at the vanguard of health care. Neither exhaustive nor exclusive, the list is, rather, representative of the recasting of public health and medic...
Source: TIME: Health - October 25, 2019 Category: Consumer Health News Authors: TIME Staff Tags: Uncategorized HealthSummit19 technology Source Type: news

Postoperative management of lung transplant recipients.
Authors: Kao CC, Parulekar AD Abstract Despite advances in surgical technique, lung transplantation is associated with worse survival when compared with other solid organ transplantations. Graft dysfunction and infection are the leading causes of mortality in the first 30 days following transplantation. Primary graft dysfunction (PGD) is a form of reperfusion injury that occurs early after transplantation. Management of PGD is mainly supportive with use of lung protective ventilation. Inhaled nitric oxide (iNO) and extracorporeal membrane oxygenation may be used in severe cases. Bacterial pneumonias are the most co...
Source: Journal of Thoracic Disease - October 23, 2019 Category: Respiratory Medicine Tags: J Thorac Dis Source Type: research

A Blood Filter Fights Deadly Inflammatory Response
A new blood filtration technology may prove to be life-saving for patients whose normally healthy inflammatory response to injury or illness has gone into overdrive, resulting in fatally high levels of cytokines in their blood. In an interview with MD+DI, Dr. Phillip Chan, MD, PhD, CEO of CytoSorbents Corp., explained that inflammation, and the production of substances called cytokines that drive inflammation, are the body’s natural response to heal injury or infection. But sometimes, the inflammatory response is so severe in such conditions as sepsis and infection, burn injuries, trauma, pancreatitis, li...
Source: MDDI - October 9, 2019 Category: Medical Devices Authors: Susan Shepard Tags: Cardiovascular Source Type: news

First Human Implantation of A Miniaturized Axial Flow Ventricular Assist Device in a Child with End-Stage Heart Failure
Small children with end-stage heart failure who require left ventricular assist device (LVAD) support to heart transplant have limited device options leading to high morbidity and mortality and chronic hospitalization until transplant.1,2 The only FDA-approved durable LVAD for children is a paracorporeal pulsatile device that carries a high stroke risk and lacks portability precluding hospital discharge.1 Temporary paracorporeal continuous flow (CF) devices have also been used off-label for bridge-to-transplant but carry higher mortality, require lengthy paracorporeal cannulas prone to circuit thrombus, and typically requi...
Source: The Journal of Heart and Lung Transplantation - September 10, 2019 Category: Transplant Surgery Authors: Antonio Amodeo, Sergio Filippelli, Gianluigi Perri, Roberta Iacobelli, Rachele Adorisio, Francesca Iodice, Alessandra Rizza, M. Patricia Massicotte, J. Timothy Baldwin, Christopher S.D. Almond Tags: Case Anecdotes, Comments and Opinions Source Type: research

Failure to rescue contributes to center-level differences in mortality after lung transplantation
ConclusionsDifferences in rates of Failure to Rescue contribute significantly to per-center variability in mortality following LTx. FTR can serve as a quality metric to identify opportunities for improvement in management of perioperative adverse events.
Source: The Annals of Thoracic Surgery - August 27, 2019 Category: Cardiovascular & Thoracic Surgery Source Type: research

Peripheral Component Malfunction of a Fully Magnetically Levitated Centrifugal Pump Masquerading as Pump Thrombosis
We present the case of a HM-3 controller malfunction, resembling pump thrombosis based on acute changes to pump parameters and abnormal LVAD log file analysis.
Source: The Journal of Heart and Lung Transplantation - June 18, 2019 Category: Transplant Surgery Authors: Ioannis Mastoris, Mohamed El Khashab, Travis Abicht Tags: CASE ANECDOTES, COMMENTS AND OPINIONS Source Type: research

Ventricular Assist Device Deactivation in Children: Preparedness Planning and Procedural Checklist
Key difference exist between adult and pediatric Ventricular Assist Device (VAD) care. For many adult patients, VADs are commonly implanted as destination therapy in contrast to pediatric patients who more often receive VAD therapy as a bridge to transplant. Adult patients/families may be better prepared for the anticipated and enivadable complications that occur at the end of destination therapy, but receive benefit from VAD therapy for both prolonged quantity and quality of life. Despite the success of VAD as a bridge to heart transplantation in children, adverse and debilitating events, including stroke, thrombosis, inf...
Source: The Journal of Heart and Lung Transplantation - June 18, 2019 Category: Transplant Surgery Authors: Desiree S. Machado, Seth A. Hollander, Jenna Murray, Joseph Philip, Mark Bleiweis, Sheri Kittelson Tags: Letter to the Editor Source Type: research

LncRNA MALAT1 cessation antagonizes hypoxia/reoxygenation injury in hepatocytes by inhibiting apoptosis and inflammation via the HMGB1-TLR4 axis
In this study, elevation of MALAT1 expression was corroborated in human hepatocytes under hypoxia/reoxygenation (H/R)H/R condition. Of interest, depression of MALAT1 blunted H/R-inhibited cell viability, and counteracted lactate dehydrogenase (LDH) and malondialdehyde release. Additionally, MALAT1 cessation antagonized H/R-evoked cell apoptosis and caspase-3 activity. Simultaneously, the increased inflammatory reaction triggered by H/R stimulation was also abrogated following MALAT1 suppression by reducing pro-inflammatory cytokine transcripts and productions including IL-1β and TNF-α. Mechanistically, H/R exposure activ...
Source: Molecular Immunology - May 9, 2019 Category: Allergy & Immunology Source Type: research

VCA Deceased Donors in the United States
Conclusions. donors are a demographically and clinically diverse group. Understanding this diversity and future trends in VCA donor characteristics is critical in supporting this life-changing field of transplantation.
Source: Transplantation - May 1, 2019 Category: Transplant Surgery Tags: Original Clinical Science—General Source Type: research

Challenge to the Intestinal Mucosa During Sepsis
Conclusion The impact of sepsis on the gut is manifold, e.g., sepsis mediated alteration of the gut-blood barrier and increase in the intestinal permeability, which may correlate with the phenomena of bacterial translocation and lymphatic activation (“toxic-lymph”). Systemic consequences of sepsis are widespread and concern to the coagulative system, the microbiome as well as enzymes, such as pancreatic proteases, MMPs and IAPs. Nevertheless, the therapeutic approaches for modulating the mucosal immune system are still rarely effective in daily routine. Recent published studies showing that treatment with ...
Source: Frontiers in Immunology - April 29, 2019 Category: Allergy & Immunology Source Type: research

Cessation of Anticoagulation for Bleeding and Thrombosis Events with a Fully Magnetically Levitated Centrifugal Left Ventricular Assist Device
Anticoagulation therapy for patients supported by a left ventricular assist device (LVAD) has not been adequately evaluated in relevance to newer pumps, such as the fully magnetically levitated HeartMate 3 pump. Current anticoagulation guidelines target a goal INR of 2.0 –3.0 with vitamin K antagonists to mitigate the risk of pump thrombosis and ischemic stroke, but are based on historical trials with older devices. Long-term outcomes associated with newer devices, such as the centrifugal-flow HeartMate 3 (HM3), have demonstrated a marked decrease in the incidence of pump thrombosis compared to mechanical bearing axial-f...
Source: The Journal of Heart and Lung Transplantation - April 28, 2019 Category: Transplant Surgery Authors: Igor Gosev, Brian Ayers, Katherine Wood, Bryan Barrus, Sunil Prasad Tags: Case Anecdotes, Comments and Opinions Source Type: research